Chuck
Hold Option 1 and press Up, Down, Left, Right, Down(2), Up(2), Left at the character selection screen. This will also enable full inventory and refreshing energy.

Matt
Hold Option 1 and press Up, Down, Left, Right, Down(2), Up(2), Down at the character selection screen. This will also enable full inventory and refreshing energy.

Chris
Hold Option 1 and press Up, Down, Left, Right, Down(2), Up(3) at the character selection screen. This will also enable full inventory and refreshing energy.

Stephen
Hold Option 1 and press Up, Down, Left, Right, Down(2), Up(2), Right at the character selection screen. This will also enable full inventory and refreshing energy.